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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 227 - 235 (9page)
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A total of 96 crossbred weanling barrows aged 21 days were randomly allocated to 32 pens of a new nursery to investigate the effects of antibiotics, phytogenics, and probiotics on intestinal growth and development. The animals were fed a set of three-phase basal diets containing 0.3% zinc oxide(CON) or the basal diets supplemented with 353 ppm of a combination of tiamulin, neomycin, chlortetracycline, and oxytetracycline(ANTI), 75 ppm triterpenoid saponin plus 150 ppm mixed saccharides (HERB; Sacchapin^®), or 1×10^7 brewer’s yeasts plus 8×10^7 spores of each of Bacillus licheniformis and Bacillus subtilis per kilogram feed (PROBIO; Yeasture Plus 2B^®) for five weeks. Thirty-two pigs representing as many pens were slaughtered at the end of the feeding trial, after which morphological measures and digestive enzyme activities of intestinal mucosa were determined. Weight gain and gain:feed of the pigs were not affected by the dietary treatments(TRT) during the overall feeding trial. Total intestinal length was greater in PROBIO than in ANTI(P<0.05). Wet mucosa weight of the duodenum was not affected by TRT. However, jejunal mucosa weight was greater in PROBIO than in any other group sum of mucosa weights of the duodenum and jejunum was greater(P<0.05) in PROBIO than in ANTI and HERB. The height and width of duodenal villus were not affected by TRT, but crypt depth decreased(P<0.05) in response to HERB and PROBIO vs CON. Specific activities of alkaline phosphatase, sucrase, maltase, lactase, and leucine aminopeptidase in the duodenum and jejunum were not changed by TRT. In conclusion, results suggest that the present dietary treatments have no effects on growth performance of weanling pigs and that of PROBIO enhances intestinal growth and development under a clean experimental setting.
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참고문헌 (21)
참고문헌 신청
Alexopoulos, C / 2004 / Field evaluation of the effect of a probiotic-containing Bacillus licheniformis and Bacillus subtilis spores on the health status, performance, and ca
Broom, L. J / 2006 / Effects of zinc oxide and Enterococcus faecium SF68 dietary supplementation on the performance, intestinal microbiota and immune status of weaned piglets
Colina, J. J / 2001 / Dietary manipulation to reduce aerial ammonia concentrations in nursery pig facilities / J. Anim. Sci 79 : 3096 ~ 3103
Collington, G. K / 1990 / The influence of inclusion of either an antibiotic and a probiotic in the diet on the development of digestive enzyme activity in the pig / Br. J. N
Cowan,M.M / 1999 / Plant products as antimicrobial products / Clin. Microbiol. Rev 12 : 564 ~ 582
Broom, L. J / 2006 / Effects of zinc oxide and Enterococcus faecium SF68 dietary supplementation on the performance, intestinal microbiota and immune status of weaned piglets
Colina, J. J / 2001 / Dietary manipulation to reduce aerial ammonia concentrations in nursery pig facilities / J. Anim. Sci 79 : 3096 ~ 3103
Collington, G. K / 1990 / The influence of inclusion of either an antibiotic and a probiotic in the diet on the development of digestive enzyme activity in the pig / Br. J. N
Cowan,M.M / 1999 / Plant products as antimicrobial products / Clin. Microbiol. Rev 12 : 564 ~ 582
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